The Master´s thesis deals with the fluid layer, with types of fluidized layer and with problems which can be solve during design of new fluidized beds. The aim was find the fluidized grid, which is the best form economical and technological point of view. In this work are compared three fluidized grids. The first was part of submission. Next two additional types were then proposed by the author of thesis. Proposals grids are discussed in detail from the design phase, through the modeling and subsequent simulation part in a computer program. The results of simulation are pressure losses. Which are compared with the recommended interval values. Afterward these tested beds are put through technical and economic analysis. The result is grade which is met both requirements.

This thesis deals with the issue of Evaluation of Economic Efficiency and Risks of Projects of Roads in South-Moravian Region. The first part of the thesis is theoretical. In the introduction defines the life cycle of an investment project. The studies and documentation of project are described. Furthermore, the thesis deals with the methodological evaluation of the effectiveness of public projects. The practical part of the thesis is aimed on the processing of economic and risk analysis. The evaluated project is the reconstruction of road and the construction of a new bridge structure on the road II/374 between the village Bílovice nad Svitavou and the town Adamov. The eCBA application was used to evaluate efficiency. A qualitative risk analysis of the project is carried out at the end of this thesis.